Rivers are often found running along or through villages, great for drinking, washing, getting rid of rubbish and bodies. Oh and some like to worship it.
This download also comes with a bridge to actually cross the river, because some people are afraid to get wet or be washed away.

Requirements: 4mm or 1/8 Inch thick material. The material used in the picture is MDF, but any material can be used.
Notes: This build does not require glue to assemble.